• Window air conditioners are one of the most used and cheapest type of air conditioners.
  • To install one of these units, you need the space to make a slot in the wall, and there should also be some open space behind the wall.
  • Window air-conditioner units are reliable and simple-to-install solution to keep a room cool while avoiding the costly construction of a central air system.
  • Better yet, when the summer heat dies down, these units can be easily removed for storage, and you can use the windowsill for other purpose.